#include <stdio.h>

int main(int argc, char const *argv[])
{
    char arr1[] = {'h', 'e', 'l', 'l', 'o'};
    char arr2[] = "hello";

    printf("arr1 len = %jd \n", sizeof(arr1));
    printf("arr2 len = %jd \n", sizeof(arr2));
    printf("arr1[0] = %c \n", arr1[0]);

    char arr3[3][4] = {1,2,3,4,5,6,7,8,9,10,11,12};

    printf("arr3 len = %jd \n", sizeof(arr3));
    printf("arr3[1][2] = %d \n", arr3[1][2]);

    return 0;
}